664753015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{607}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 851005440

約数和(自身を除く): 186252425

約数列:

[1, 5, 23, 89, 107, 115, 445, 535, 607, 2047, 2461, 3035, 9523, 10235, 12305, 13961, 47615, 54023, 64949, 69805, 219029, 270115, 324745, 1095145, 1242529, 1493827, 5780461, 6212645, 7469135, 28902305, 132950603, 664753015]

約数ペア:

[(1, 664753015), (5, 132950603), (23, 28902305), (89, 7469135), (107, 6212645), (115, 5780461), (445, 1493827), (535, 1242529), (607, 1095145), (2047, 324745), (2461, 270115), (3035, 219029), (9523, 69805), (10235, 64949), (12305, 54023), (13961, 47615)]